package com.itheima.interceptors;

import com.itheima.pojo.Result;
import com.itheima.service.impl.JwtUtil;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import java.util.Map;
@Component
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,Object handler)throws Exception{
        //令牌验证
        String token= request.getHeader("Authorization");
        //验证token
        try {
            Map<String, Object> claims = JwtUtil.parseToken(token);
            return true;//放行
        } catch (Exception e) {
            //http响应数据为401
            response.setStatus(401);
            return  false;//不放行
        }
    }

}
